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Create Dynamic Textbox


try this example to Create Dynamic Textbox

<script runat="server" language="C#">

    int count = 1;
    void IterateThroughChildren(Control parent)
      foreach (Control c in parent.Controls)
        if (c.GetType().ToString().Equals("System.Web.UI.WebControls.TextBox") &&
              c.ID == null)
          ((TextBox) c).Text = "TextBox " + count.ToString();
          ((TextBox) c).Columns = 10;
        if (c.Controls.Count > 0)

    void CreateTextBoxes(Object sender, EventArgs e)
      if (!Page.IsValid) return;
      int n = Int32.Parse(txtTBCount.Text);
      // now, create n TextBoxes, adding them to the PlaceHolder TextBoxesHere
      for (int i = 0; i < n; i++)
        TextBoxesHere.Controls.Add(new TextBox());
      // now, set the Text property of each TextBox

<form runat="server">
    How many TextBoxes would you like to create? (<i>Please choose vaule between 1 and 10</i>)<br />
    <asp:textbox runat="Server" id="txtTBCount" Columns="3" />
    <asp:RangeValidator runat="server" ControlToValidate="txtTBCount"
             MinimumValue="1" MaximumValue="10" Type="Integer"
             ErrorMessage="Make sure that you choose a value between 1 and 10!" />
    <br />
    <asp:button runat="server" Text="Create Dynamic TextBoxes"
           OnClick="CreateTextBoxes" />
 <asp: PlaceHolder runat="server" id="TextBoxesHere" />

Good Luck

Categories: ASP.Net, Javascript
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